FM-quiz BasPhys
FM-quiz BasPhys
FM-quiz BasPhys
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- 1 of 14Question1Sound wave characteristics. What is hertz the SI unit of?
CorrectIncorrect - 2 of 14Question2Attenuation. Insert the correct missing words: Attenuation depends on the ……….. the sound wave.
CorrectIncorrect - 3 of 14Question3Reflection. What is the reflection of a sound wave at an interface in a medium a function of?
CorrectIncorrect - 4 of 14Question4Transducer orientation. The image on the left shows correct and inverted orientation of the transducer. Which of the following statements are correct? Select all that apply.
CorrectIncorrect - 5 of 14Question5Depth and gain A. The image shows two ultrasound images, where B is an optimised image of A. How is B optimised ?
CorrectIncorrect - 6 of 14Question6Depth and gain B. The image shows two ultrasound images, where B is an optimised image of A. How is B optimised ?
CorrectIncorrect - 7 of 14Question7Doppler. What is true regarding Doppler and blood vessels? Select all that apply.
CorrectIncorrect - 8 of 14Question8Transmission of sound. Transmission of sound in a medium is due to …
CorrectIncorrect - 9 of 14Question9Rarefaction. Select the correct word to fill the gap: Rarefaction is regions of …….. of the sound pressure within the carrier medium.
CorrectIncorrect - 10 of 14Question10
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- acoustic impedance
- vacuum
- medium
- amplitude
- deeper than high frequencies
- Reflection is determined by
- The only place in which sound cannot travel is in a
- The substance or material that carries the wave is called a
- Maximum oscillation of a sound wave is called
- Low frequencies penetrate
CorrectIncorrect - 11 of 14Question11
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- the use of ultrasound gel
- do not reflect sound waves
- synonymous with reflected sound
- diffuse reflection
- sound
- An example of impedance matching is
- Tissues with same acoustic impedance
- Echo is
- Scattering is
- Ultrasound is
CorrectIncorrect - 12 of 14Question12
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- generates high voltage spikes of 100-900 V
- converts electrical energy to ultrasound waves
- along the long axis of the ultrasound beam
- in the plane perpendicular to the long axis of the ultrasound beam
- the piezoelectric crystals are arranged in a straight array
- The transmitter
- The transducer
- Axial resolution is the ability to separate two objects
- Lateral resolution is the ability to separate two objects
- In linear transducers
CorrectIncorrect - 13 of 14Question13
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- no echo
- high intensity echo
- time
- amplitude
- in the focal zone
- In B-mode a dark area represents
- In B-mode a bright area represents
- In M-mode the x axis represents
- In M-mode the y axis represents
- The sound field is most narrow
CorrectIncorrect - 14 of 14Question14
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- is abbreviated OM
- a 1.5 – 4 MHz multifrequency phased array transducer is recommended
- is on the right side of the screen
- is on the left side of the screen
- adjust gain at different depths of the ultrasound image
- The orientation marker on the transducer
- For FATE examination
- In cardiac ultrasound the orientation indicator (OI)
- In FAST ultrasound the orientation indicator (OI)
- Time gain compensation (TGC) can
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